{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2021-25292","sourceIdentifier":"cve@mitre.org","published":"2021-03-19T04:15:13.590","lastModified":"2026-06-17T03:41:46.760","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An issue was discovered in Pillow before 8.1.1. The PDF parser allows a regular expression DoS (ReDoS) attack via a crafted PDF file because of a catastrophic backtracking regex."},{"lang":"es","value":"Se detectó un problema en Pillow versiones anteriores a 8.1.1.\u0026#xa0;El analizador de PDF permite un ataque DoS (ReDoS) de expresión regular por medio de un archivo PDF diseñado debido a una regex de retroceso catastrófica"}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-1333"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*","versionEndExcluding":"8.1.1","matchCriteriaId":"0EAEBE97-889C-4137-92C1-F832F605B041"}]}]}],"references":[{"url":"https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html","source":"cve@mitre.org","tags":["Release Notes","Vendor Advisory"]},{"url":"https://security.gentoo.org/glsa/202107-33","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"]},{"url":"https://security.gentoo.org/glsa/202107-33","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}